Fill in the blanks.
(i) Zero has ________ reciprocal.
(ii) The numbers ________ and ________ are their own reciprocals.
(iii) The reciprocal of – 5 is ________.
(iv) Reciprocal of 
where 
is ________.
(v) The product of two rational numbers is always a _______.
(vi) The reciprocal of a positive rational number is ________.
(i) Zero has No reciprocal
(ii) The numbers 1 and -1 are their own reciprocals.
(iii) The reciprocal of – 5 is 
(iv) Reciprocal of 
where 
is x.
(v) The product of two rational numbers is always a rational number.
(vi) The reciprocal of a positive rational number is a positive rational number.
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